I seem to recall that this has to be accounted for when designing the support towers on particularly long bridges. According to a quick Google search, the most extreme example is the Akashi-Kaikyō bridge in Japan. The support towers are almost 3.5 inches farther apart at the top than they are at the bottom.
Also FYI, the word “level” generally refers to things laying perfectly flat. The word “plumb” refers to thing standing perfectly upright, which is why some jokers in the comments are giving you a hard time, despite what you meant being fairly obvious.
The SCP wiki is always a fun place to lose a couple of hours. Here’s how they describe themselves:
The SCP Wiki is a collaborative speculative fiction website about the SCP Foundation, a secretive organization that contains anomalous or supernatural items and entities away from the eyes of the public.
And here’s an example page about a moth with mind control powers
Slightly off topic, but as long as we’re ranting about DNS…
Proxmox handles DNS for each container as a setting in the hypervisor. It’s not a bad way of simplifying things, but if, hypothetically, you didn’t know about that, then you could find yourself in a situation where you spend an entire afternoon trying every single one of the million different ways to edit DNS in Linux and getting increasingly frustrated because the IP gets overwritten every time you restart the container no matter what you do, until eventually you figure out that the solution is just like three clicks and a text entry box in the Proxmox GUI!
…Hypothetically, of course.